db.list | R Documentation |
List all the currently active connections with their information including the connection ID, host, user, database, DBMS (database management system), and the R package name used to connect to the database.
db.list()
No value is returned.
Currently, only connection to PostgreSQL and Greenplum databases are supported. Support for other types of DBMS's will be added in the future.
Author: Predictive Analytics Team at Pivotal Inc.
Maintainer: Frank McQuillan, Pivotal Inc. fmcquillan@pivotal.io
db.connect
connects to database.
db.disconnect
disconnects a connection.
connection info
the functions that extract information
about the connection.
conn.eql
tests whether two connections are the same.
## Not run:
## set up the database connection
## Assume that .port is port number and .dbname is the database name
cid1 <- db.connect(port = .port, dbname = .dbname, verbose = FALSE)
cid2 <- db.connect(port = .port, dbname = .dbname, verbose = FALSE)
db.list() # list the two connections
db.disconnect(cid1, verbose = FALSE)
db.disconnect(cid2, verbose = FALSE)
## End(Not run)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.